I am done with classes for the rest of the (calendar) year! Although I still have one more semester to finish my first year in graduate school, I feel happy for the temporary calm. Today we had the last lectures on Classical Mechanics and Electrodynamics.
Mechanics treated the infinite-degrees of freedom system, and we considered a case where we got equations that were completely similar to field equations. We define the functional derivative and the professor discussed a bit the road that leads to the Quantum Field Theory.
In Electrodynamics we discussed various topics. First we considered some naive arguments about superconductivity, and discussed the London equation and the Landau argument of the macroscopic extent of the wave function. We arrived at the quantum of magnetic flux, then my professor discussed Dirac's argument about electric charge quantization in the present of a magnetic monopole field and how an experiment by Cabrera displays one event that is candidate for a magnetic monopole. All in 55 minutes!
NO MORE HOMEWORK!!!!
I guess tonight is going to be easy and light. I am doing laundry now, after some end-of-classes celebration in a nearby brew house with other graduate students.
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